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Two subsets A and B of set S coontaining n elements are selected at random . Than what is the probility that A^B=fi?

Two subsets A and B of set S coontaining n elements are selected at random . Than what is the probility that A^B=fi?

Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Hi

Lets say we take the first subset from m elements of S but the next subset must have elements from the remainig n-m elements of S .

Now keep on increasing the value of m form 1 to n itself .You will get all th epossible cases and hence the answer

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